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Science
“#Power of DNA to store information gets an upgrade” Credit: CC0 Public Domain A team of interdisciplinary researchers has discovered a new technique to store in DNA information—in this case “The Wizard of Oz,” translated into Esperanto—with unprecedented accuracy and efficiency. The technique harnesses the information-storage capacity of intertwined strands of DNA to encode and…
“#Human sperm stem cells grown in lab, an early step toward infertility treatment” By applying an inhibitor of the molecule AKT, UC San Diego researchers are able to favor the culture of human spermatogonial stem cells in the lab, a first step toward lab-produced sperm as a treatment for male infertility. Credit: Vishaala Wilkinson Infertility…
“#New models detail how major rivers will respond to changing environmental conditions” Credit: CC0 Public Domain From the Nile to the Mississippi and from the Amazon to the Yangzi, human civilization is inextricably linked to the great rivers along which our societies developed. But rivers are mutable, and the benefits they bestow can quickly become…
“#Deadly under-the-radar heatwaves ravaging Africa” Only two heatwaves in sub-Saharan Africa have been listed over the last 120 years in the Emergency Events Database (EM-DAT), compared to 83 in Europe since 1980 The impacts of extreme heatwaves amplified by climate change are going unrecorded in sub-Saharan Africa, making it nearly impossible to detect patterns and…
“#Examine narratives to end policy deadlock, boost agricultural development in Africa, economists say” Economists argue that a dichotomy between either state-led or market-led approaches to boost food production leads to political deadlock that hinders alternative solutions. Credit: CIAT/G.Smith The COVID-19 pandemic presents an opportunity to transform food systems and achieve sustainable development. But the lively…
“#Antibiotic resistance and the need for personalized treatments” Credit: Joana Carvalho, 2020 Antibiotic resistance is a growing challenge in the treatment of infectious diseases worldwide. Bacteria become resistant to antibiotics by acquiring or mutating genes that allow them to survive the administration of antibiotics, which otherwise would kill them. However, this advantage in the presence…
“#Climate change will cause more extreme wet and dry seasons, researchers find” This map shows how various precipitation regions — also called regimes— are distributed throughout the world, according to new research involving Clemson University’s Ashok Mishra. Areas in dark orange are most vulnerable to extremes in wet and dry seasons, a trend expected to…
“#Earth-shaking science in the freezer: Next generation vibration sensors at cryogenic temperatures” Vibration sensor Credit: Joris van Heijningen A cutting-edge vibration sensor may improve the next generation of gravitational-wave detectors to find the tiniest cosmic waves from the background hum of Earth’s motion. During his Ph.D., postdoctoral researcher Joris van Heijningen from the ARC Centre…
“#Scientists have discovered a new physical paradox” Researchers discovered a new physical phenomenon of ‘ballistic resonance’. Credit: Peter the Great St.Petersburg Polytechnic University Researchers from the Peter the Great St.Petersburg Polytechnic University (SPbPU) have discovered and theoretically explained a new physical effect: amplitude of mechanical vibrations can grow without external influence. The scientific group offered…
“#The colorful history of plastids” Schematic evolutionary tree of eukaryotes with an emphasis on photosynthetic lineages. Members of the Archaeplastida have primary plastids stemming directly from cyanobacteria. The primary plastids of red and green algae have spread from the Archaeplastida to other branches of the tree, including Rhizaria, Discoba, and Stramenopila. The colored taxon names…